List of 21 ancestors found in 40 iterations (21 distinct persons and 21 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Simon Ier de Clermont Nesle (1134-1187)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Renaud II de Clermont en Beauvaisis (25/01/1081-16/12/1152)
3Clémence de Bar Le Duc (1112-1183)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Hugues Ier de Clermont en Beauvaisis (1030-1102)
5Marguerite de Roucy (1045-1102)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Hilduin IV de Montdidier (0995-1063)
11Alix de Roucy (~1020-1062)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
20Hilduin III De Montdidier (~0970-1037)
21Lesceline d'Harcourt (0975-26/01/0998)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
40Hilduin II de Montdidier (~0951-0992)
41Helvide de Laon (~0940-)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
82Roger II de Laon (0902-0967)
83Gertrude de Chaumontois (~0920-)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
164Roger de Laon (~0867-0926)
165Helvide de Frioul (0848-~0915)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
330Saint Evrard de Frioul (0812-16/12/0866)
331Gisèle de Francie (04/0821-01/07/0874)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
662Louis Ier le Pieux de France (16/04/0778-20/06/0840)
663Judith de Bavière (0805-19/04/0843)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1324Charlemagne de France (02/04/0747-28/01/0814)
1325Hildegarde von Vintzgau (~0757-26/04/0783)